
1) Fetid 2) Foetid 3) Foul 4) Foul-smelling 5) Funky 6) Like a dog sprayed by a skunk 7) Like gym shoes, often 8) Like gym socks 9) Like Liederkranz cheese 10) Like Limburger cheese 11) Malodorous 12) Malodourous 13) Noisome 14) Odiferous 15) Odoriferous 16) Odorous 17) Offending the nose 18) Offensively malodorous 
Found on 
https://www.crosswordclues.com/clue/smelly

1) Fetid 2) Foetid 3) Funky 4) Gamy 5) Malodorous 6) Malodourous 7) Noisome 8) Odorous 9) Olid 10) Ripe 11) Rotten 12) Stinking 
Found on 
https://www.crosswordclues.com/clue/smelly

Smelly was British army slang for the Lee-Enfield rifle (SMLE).
Found on 
http://www.probertencyclopaedia.com/browse/ZSB.HTM
  No exact match found.